The radioactive isotope gallium-67, used in the diagnosis of malignant tumors, has a biological half-life of 46.5 hours. The half-life of the isotope is modeled as A = A0 (
1
2
)
t
h
, where h is the
half-life and t is the time in hours. If we start with 100 milligrams of the isotope, how many
milligrams will be left after: 24 hours, and after 1 week?

Which expression is equivalent to 5r674 pression is equivalent to see lo 5r614) 4r322,4 ) 5 ( 2 5t5 |

Select a graph that have an equation with a < 0

Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so,about which interval is it approximately symmetric?